static int get_fs_size_stat(const char *fs, zbx_uint64_t *total, zbx_uint64_t *free,
zbx_uint64_t *used, double *pfree, double *pused, char **error)
{
#ifdef HAVE_SYS_STATVFS_H
# ifdef HAVE_SYS_STATVFS64
# define ZBX_STATFS statvfs64
# else
# define ZBX_STATFS statvfs
# endif
# define ZBX_BSIZE f_frsize
#else
# ifdef HAVE_SYS_STATFS64
# define ZBX_STATFS statfs64
# else
# define ZBX_STATFS statfs
# endif
# define ZBX_BSIZE f_bsize
#endif
struct ZBX_STATFS s;
if (0 != ZBX_STATFS(fs, &s))
{
*error = zbx_dsprintf(NULL, "Cannot obtain filesystem information: %s", zbx_strerror(errno));
return SYSINFO_RET_FAIL;
}
if (NULL != total)
*total = (zbx_uint64_t)s.f_blocks * s.ZBX_BSIZE;
if (NULL != free)
*free = (zbx_uint64_t)s.f_bavail * s.ZBX_BSIZE;
if (NULL != used)
*used = (zbx_uint64_t)(s.f_blocks - s.f_bfree) * s.ZBX_BSIZE;
if (NULL != pfree)
{
if (0 != s.f_blocks - s.f_bfree + s.f_bavail)
*pfree = (double)(100.0 * s.f_bavail) /
(s.f_blocks - s.f_bfree + s.f_bavail);
else
*pfree = 0;
}
if (NULL != pused)
{
if (0 != s.f_blocks - s.f_bfree + s.f_bavail)
*pused = 100.0 - (double)(100.0 * s.f_bavail) /
(s.f_blocks - s.f_bfree + s.f_bavail);
else
*pused = 0;
}
return SYSINFO_RET_OK;
}
int VFS_FS_INODE(AGENT_REQUEST *request, AGENT_RESULT *result)
{
#ifdef HAVE_SYS_STATVFS_H
# define ZBX_STATFS statvfs
# define ZBX_FFREE f_favail
#else
# define ZBX_STATFS statfs
# define ZBX_FFREE f_ffree
#endif
char *fsname, *mode;
zbx_uint64_t total;
struct ZBX_STATFS s;
if (2 < request->nparam)
return SYSINFO_RET_FAIL;
fsname = get_rparam(request, 0);
mode = get_rparam(request, 1);
if (NULL == fsname || '\0' == *fsname || 0 != ZBX_STATFS(fsname, &s))
return SYSINFO_RET_FAIL;
if (NULL == mode || '\0' == *mode || 0 == strcmp(mode, "total")) /* default parameter */
SET_UI64_RESULT(result, s.f_files);
else if (0 == strcmp(mode, "free"))
SET_UI64_RESULT(result, s.ZBX_FFREE);
else if (0 == strcmp(mode, "used"))
SET_UI64_RESULT(result, s.f_files - s.f_ffree);
else if (0 == strcmp(mode, "pfree"))
{
total = s.f_files;
#ifdef HAVE_SYS_STATVFS_H
total -= s.f_ffree - s.f_favail;
#endif
if (0 != total)
SET_DBL_RESULT(result, (double)(100.0 * s.ZBX_FFREE) / total);
else
return SYSINFO_RET_FAIL;
}
else if (0 == strcmp(mode, "pused"))
{
total = s.f_files;
#ifdef HAVE_SYS_STATVFS_H
total -= s.f_ffree - s.f_favail;
#endif
if (0 != total)
SET_DBL_RESULT(result, 100.0 - (double)(100.0 * s.ZBX_FFREE) / total);
else
return SYSINFO_RET_FAIL;
}
else
return SYSINFO_RET_FAIL;
return SYSINFO_RET_OK;
}
static int get_fs_size_stat(const char *fs, zbx_uint64_t *total, zbx_uint64_t *free,
zbx_uint64_t *used, double *pfree, double *pused)
{
#ifdef HAVE_SYS_STATVFS_H
# ifdef HAVE_SYS_STATVFS64
# define ZBX_STATFS statvfs64
# else
# define ZBX_STATFS statvfs
# endif
# define ZBX_BSIZE f_frsize
#else
# define ZBX_STATFS statfs
# define ZBX_BSIZE f_bsize
#endif
struct ZBX_STATFS s;
assert(fs);
if (0 != ZBX_STATFS(fs, &s))
return SYSINFO_RET_FAIL;
if (total)
*total = (zbx_uint64_t)s.f_blocks * s.ZBX_BSIZE;
if (free)
*free = (zbx_uint64_t)s.f_bavail * s.ZBX_BSIZE;
if (used)
*used = (zbx_uint64_t)(s.f_blocks - s.f_bfree) * s.ZBX_BSIZE;
if (pfree)
{
if (0 != s.f_blocks - s.f_bfree + s.f_bavail)
*pfree = (double)(100.0 * s.f_bavail) /
(s.f_blocks - s.f_bfree + s.f_bavail);
else
*pfree = 0;
}
if (pused)
{
if (0 != s.f_blocks - s.f_bfree + s.f_bavail)
*pused = 100.0 - (double)(100.0 * s.f_bavail) /
(s.f_blocks - s.f_bfree + s.f_bavail);
else
*pused = 0;
}
return SYSINFO_RET_OK;
}
int VFS_FS_INODE(AGENT_REQUEST *request, AGENT_RESULT *result)
{
#ifdef HAVE_SYS_STATVFS_H
# define ZBX_STATFS statvfs
# define ZBX_FFREE f_favail
#else
# define ZBX_STATFS statfs
# define ZBX_FFREE f_ffree
#endif
char *fsname, *mode;
zbx_uint64_t total;
struct ZBX_STATFS s;
if (2 < request->nparam)
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Too many parameters."));
return SYSINFO_RET_FAIL;
}
fsname = get_rparam(request, 0);
mode = get_rparam(request, 1);
if (NULL == fsname || '\0' == *fsname)
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid first parameter."));
return SYSINFO_RET_FAIL;
}
if (0 != ZBX_STATFS(fsname, &s))
{
SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot obtain filesystem information: %s",
zbx_strerror(errno)));
return SYSINFO_RET_FAIL;
}
if (NULL == mode || '\0' == *mode || 0 == strcmp(mode, "total")) /* default parameter */
{
SET_UI64_RESULT(result, s.f_files);
}
else if (0 == strcmp(mode, "free"))
{
SET_UI64_RESULT(result, s.ZBX_FFREE);
}
else if (0 == strcmp(mode, "used"))
{
SET_UI64_RESULT(result, s.f_files - s.f_ffree);
}
else if (0 == strcmp(mode, "pfree"))
{
total = s.f_files;
#ifdef HAVE_SYS_STATVFS_H
total -= s.f_ffree - s.f_favail;
#endif
if (0 != total)
SET_DBL_RESULT(result, (double)(100.0 * s.ZBX_FFREE) / total);
else
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot calculate percentage because total is zero."));
return SYSINFO_RET_FAIL;
}
}
else if (0 == strcmp(mode, "pused"))
{
total = s.f_files;
#ifdef HAVE_SYS_STATVFS_H
total -= s.f_ffree - s.f_favail;
#endif
if (0 != total)
{
SET_DBL_RESULT(result, 100.0 - (double)(100.0 * s.ZBX_FFREE) / total);
}
else
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot calculate percentage because total is zero."));
return SYSINFO_RET_FAIL;
}
}
else
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid second parameter."));
return SYSINFO_RET_FAIL;
}
return SYSINFO_RET_OK;
}
